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Finding the Fourth Proportional to 41,690.60, 62,539.20 and 12,108.92

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Solution

The fourth proportional to 41,690.60, 62,539.20 and 12,108.92 is: 18,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,690.60 : 62,539.20 = 12,108.92 : x
  2. Step 2: Convert to fraction form
    41,690.60/62,539.20 = 12,108.92/x
  3. Step 3: Cross multiply
    41,690.60x = 62,539.20 × 12,108.92
  4. Step 4: Simplify right side
    41,690.60x = 757,282,169.66
  5. Step 5: Solve for x
    x = 757,282,169.66/41,690.60
  6. Step 6: Final answer
    x = 18,164.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.